La terza metastruttura introdotta da introdotta da Tyler Volk e Jeff Bloom sono i fogli, strutture con estensione bidimensionale nello spazio.
Background
As physical forms, sheets maximize transfer across surface areas, maximize surface area to volume ratio, and extend or grow two-dimensionally. In general terms, sheets represent capture, contact, and movement across a plane. In addition, when put together, they can form layers and can act as borders. Spheres and tubes can be made of sheets.
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| Two-dimensional layer crystals of carbon: structure of graphene. Two-dimensional honeycomb hexagonal network of carbon atoms (spheres) on a plane. A monolayer of carbon atoms is called graphene, multiple layers of which form graphite. |
Examples
- In science: leaves, surface tension, membranes, individual layers of the Earth and atmosphere, fins, airplane wings, skates and rays, films, snow coverage, etc.
- In architecture and design: walls, open areas as in large convention centers, fans and windmills, sails, turbines, etc.
- In art: canvas, shapes, etc.
- In social sciences: movement within a space, separation, etc.
- In other senses: clothing, rain coming down in sheets, bed coverings, parking lots, etc.
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| Curvatura dello spazio-tempo in presenza di massa. |
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| Oh Sheet! © Thomas Barbèy |
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